v3.26.3
RELATED PARTY BALANCES AND TRANSACTIONS - Accrued expenses and other current liabilities (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amount recorded as inventories $ 170,371   $ 121,361
Interest expenses 34,300 $ 33,641  
Short term lease cost 4,673 4,066  
Related party      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Interest expenses 23,183 13,799  
Repaid the loan principal to related parties 226,108 161,639  
Related party | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amounts due to related parties 882   397
Related party | Purchase of products and services      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Purchases 334,976 178,224  
Cost of goods sold 198,294 158,085  
Interest expenses $ 4,420 $ 3,709  
Bearing interest rate 5.00% 6.95%  
Related party | Purchase of products and services | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amount recorded as inventories $ 94,940   52,917
Related party | Purchase of products and services | Accounts Payable      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Related parties for purchase 633,627   458,189
Related party | Purchase of products and services for R&D activities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Purchases 14,221 $ 49,264  
Related party | Purchase of products and services for R&D activities | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amounts due to related parties 33,360   156,442
Related party | Purchase of equipment and software      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Purchases 58 465  
Related party | Purchase of equipment and software | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amounts due to related parties 591   1,603
Related party | Purchase of R&D equipment and software      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Purchases 58 465  
Related party | Purchase of show cars for exhibition      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Deposits received from related party 943 0  
Deposits included in other non-current liabilities - related parties 0   856
Related party | Purchase of show cars for exhibition | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amounts due to related parties 1,097   306
Related party | Staff salary, social welfare and other travel expenses | Accrued expenses and other current liabilities      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Amounts due to related parties 929 1,294  
Related party | Short-term lease      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Short term lease cost 81 $ 151  
Related party | Short-term lease | Prepayments and other current assets      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Prepayments to related parties $ 2   $ 9